After this time, please direct inquiries about the facilities within segments H and I of the Grand Parkway (State Highway 99) to the contact information below.
· Liberty and Chambers Counties – 409-898-5745
· Montgomery and Harris Counties – 713-802-5076
To drive on some portions of this road, you will pay the lowest rate if you have a prepaid toll account and one of these electronic toll tags: TxTag, EZ TAG, North Texas Tollway Authority (NTTA) Toll Tag, and Metro Hot Lanes Toll Tag.
For information about the pricing of these new tolls, please visit TxTag.